.Home {
  width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.home-left {

  margin-left: 15px;
  padding-top: 30px;
  width: 625px;
  .banner-img {
    width: 625px;
    height: 270px;
  }
}

.Home-right {
  width: 280px;

}
.backTop{
  position: fixed;
  border-radius: 50%;
  background: rgb(250, 192, 145);
 
	right: 100px;
	bottom: 100px;
	width: 60px;
	height: 60px;
	line-height: 60px;
	text-align: center;
	border: 1px solid #ccc;
	font-size: 14px;
}